 But this, they say, is on a 60- or 70-year cycle. So it goes to show that there's many more things, what, in the ocean and inside the Earth that we really don't understand as we talk about the things that are above the Earth. But isn't that amazing, John, the things of the mysteries of the ocean and the inner part of the Earth, which is so close to us compared to outer space, are still some of the greatest mysteries of all. Well, thank you, Steve Cates, Dr. Skye. Have a great Sunday, and we'll catch up again soon.